mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Zhongfu Luo
dcb4d77233
PD#SWPL-104257 Problem: defendkey: need to porting defendkey drvier Solution: porting defendkey drvier Verify: G12B/SM1 Change-Id: I05dc99435d92fcb2199fb2ea857a0171cee5b69e Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __DEFENDKEY_H
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#define __DEFENDKEY_H
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#define CMD_SECURE_CHECK _IO('d', 0x01)
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#define CMD_DECRYPT_DTB _IO('d', 0x02)
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#define GET_SHARE_MEM_INPUT_BASE (0x82000020)
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#define AML_DATA_PROCESS (0x820000FF)
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#define AML_D_P_UPGRADE_CHECK (0x80)
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#define AML_D_P_IMG_DECRYPT (0x40)
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#define AML_D_Q_IMG_SIG_HDR_SIZE (0x100)
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#define DEFENDKEY_LIMIT_ADDR (0x0F000000)
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#define NSTATE_INIT (1)
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#define NSTATE_UPDATE (2)
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#define NSTATE_FINAL (4)
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#define NSTATE_ALL (7)
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struct aml_defendkey_dev {
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struct platform_device *pdev;
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struct class cls;
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struct cdev cdev;
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dev_t devno;
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void __iomem *reg_base;
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unsigned int sb_mask; /*secure boot mask*/
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};
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struct defendkey_mem {
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unsigned long base;
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unsigned long size;
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};
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enum e_defendkey_type {
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E_UPGRADE_CHECK = 0,
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E_DECRYPT_DTB = 1,
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};
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struct aml_defendkey_type {
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enum e_defendkey_type decrypt_dtb;
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int status;
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};
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enum ret_defendkey {
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RET_FAIL = 0,
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RET_SUCCESS = 1,
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RET_ERROR = -1,
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};
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int aml_is_secure_set(void __iomem *reg_base, unsigned int mask);
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unsigned long aml_sec_boot_check(unsigned long type,
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unsigned long buffer,
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unsigned long length,
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unsigned long option);
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#ifdef CONFIG_AMLOGIC_DEFENDKEY
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int __init aml_defendkey_init(void);
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void aml_defendkey_exit(void);
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#else
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static int __init aml_defendkey_init(void)
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{
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return 0;
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}
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static void aml_defendkey_exit(void)
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{
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}
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#endif
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#endif
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